19+8a=4a+12-1

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Solution for 19+8a=4a+12-1 equation: 



19+8a=4a+12-1

We move all terms to the left:

19+8a-(4a+12-1)=0

We add all the numbers together, and all the variables

8a-(4a+11)+19=0

We get rid of parentheses

8a-4a-11+19=0

We add all the numbers together, and all the variables

4a+8=0

We move all terms containing a to the left, all other terms to the right

4a=-8

a=-8/4

a=-2

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